81867236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{50287}}^1$

素因数の和:50339

約数の個数: 24

約数和(自身を含む): 160519296

約数和(自身を除く): 78652060

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 50287, 100574, 201148, 553157, 1106314, 1860619, 2212628, 3721238, 7442476, 20466809, 40933618, 81867236]

約数ペア:

[(1, 81867236), (2, 40933618), (4, 20466809), (11, 7442476), (22, 3721238), (37, 2212628), (44, 1860619), (74, 1106314), (148, 553157), (407, 201148), (814, 100574), (1628, 50287)]